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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-12-23 16:32:26 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-12-23 16:32:26 +0100 |
| commit | 0d7a14e236eb05ae0473d2df3276a26f4b6596c8 (patch) | |
| tree | e67332576b233282ef48d8a619429821f5c4918d | |
| parent | f7f4a901748c0a1f320f5170a96cdc72bb48e00c (diff) | |
| download | ffmpeg-0d7a14e236eb05ae0473d2df3276a26f4b6596c8.tar.gz | |
avformat/avidec: optimize probe
about 2x as fast
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/avidec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 03c05a748c..7016d2d400 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -1863,8 +1863,8 @@ static int avi_probe(AVProbeData *p) /* check file header */ for (i = 0; avi_headers[i][0]; i++) - if (!memcmp(p->buf, avi_headers[i], 4) && - !memcmp(p->buf + 8, avi_headers[i] + 4, 4)) + if (AV_RL32(p->buf ) == AV_RL32(avi_headers[i] ) && + AV_RL32(p->buf + 8) == AV_RL32(avi_headers[i] + 4)) return AVPROBE_SCORE_MAX; return 0; |